9.11 A chessplayer rating pool is a statistical ensemble in which individuals are distinguishable, yet any number of them may be alike as to rating.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Costa | 7 | 2217 | 949 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.029 | 0.672 | 0.760 | 66.4 | -112 | 61 | 1187 | 949 | 4956 |
| SRMFix | 0.126 | 0.809 | 0.910 | 96.1 | -96 | 188 | 1481 | 1384 | 4586 |
| initial | 0.208 | 0.846 | 0.957 | 101.9 | -160 | 185 | 1536 | 1376 | 4457 |
| Odd | 0.102 | 0.860 | 0.945 | 107.8 | -68 | 308 | 2052 | 1984 | 4422 |
| EloSRM | 0.157 | 0.873 | 0.972 | 117.7 | -83 | 289 | 2300 | 2217 | 4529 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2016-05-30 | SRM 691 | 2 | 294 | 126.30 | -1.22 | -83 | 2217 | 4529 | -98 | 949 | 4956 |
| 6 | 2016-04-15 | SRM 688 | 2 | 140 | 363.51 | 1.38 | 230 | 2300 | 4142 | 46 | 1047 | 4334 |
| 5 | 2013-08-12 | SRM 588 | 2 | 570 | 427.87 | -0.41 | -35 | 2070 | 6654 | -49 | 1001 | 6246 |
| 4 | 2012-03-07 | SRM 536 | 2 | 229 | 549.31 | 1.26 | 129 | 2105 | 5875 | 61 | 1050 | 5798 |
| 3 | 2012-02-09 | SRM 532 | 2 | 754 | 461.38 | -0.71 | -56 | 1976 | 6830 | -112 | 989 | 6262 |
| 2 | 2012-01-31 | SRM 531 | 2 | 502 | 448.08 | -0.16 | -1 | 2032 | 6246 | -86 | 1101 | 4988 |
| 1 | 2012-01-14 | SRM 529 | 2 | 421 | 823.99 | 0.97 | 289 | 2033 | 6181 | -13 | 1187 | 4119 |